Hi,

Some minor things...

On Tue, Nov 03, 2015 at 03:29:11PM -0500, Michael Meissner wrote:
>       * config/rs6000/rs6000.opt (-mfusion-toc): Add new switches for
>       ISA 3.0 (power9).

"-mtoc-fusion" sounds more natural, and is more in line with the other
switches I think.

> +  /* ISA 2.08 vector instructions include ISA 2.07.  */

ISA 3.0

> +@item -mmodulo
> +@itemx -mno-modulo
> +@opindex mmodulo
> +@opindex mno-module
> +Generate code that uses (does not use) the ISA 2.08 integer modulo
> +instructions.  The @option{-mmodulo} option is enabled by default
> +with the @option{-mcpu=power9} option.

Again.  I think it was just these two, but please check.

> +@item -mpower9-fusion
> +@itemx -mno-power9-fusion
> +@opindex mpower9-fusion
> +@opindex mno-power9-fusion
> +Generate code that keeps (does not keeps) some operations adjacent so
> +that the instructions can be fused together on power9 and later
> +processors.

> +@item -mpower9-vector
> +@itemx -mno-power9-vector
> +@opindex mpower9-vector
> +@opindex mno-power9-vector
> +Generate code that uses (does not use) the vector and scalar
> +instructions that were added in version 2.07 of the PowerPC ISA.  Also
> +enable the use of built-in functions that allow more direct access to
> +the vector instructions.

3.0 here as well?


Segher

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